package edu.cuit.canary.selection;

import java.util.Scanner;

public class SwitchDemo2 {
    public static void main(String[] args) {
        System.out.println("请输入月份:");
        Scanner input = new Scanner(System.in);
        int month = input.nextInt();
        System.out.println("请输入年份:");
        int year = input.nextInt();
        input.close();

        switch (month){
            case 1:
            case 3:
            case 5:
            case 7:
            case 8:
            case 10:
            case 12:
                System.out.println("该月有31天");
                break;
            case 2:
                if(year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
                    System.out.println("该月有29天");
                else
                    System.out.println("该月有28天");
                break;
            case 4:
            case 6:
            case 9:
            case 11:
                System.out.println("该月有30天");
                break;
            default:
                System.out.println("非法的月份");
        }

    }
}
